package com.hmdp.service.impl;

import cn.hutool.core.util.StrUtil;
import cn.hutool.json.JSONUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.TypeReference;
import com.hmdp.entity.ShopType;
import com.hmdp.mapper.ShopTypeMapper;
import com.hmdp.service.IShopTypeService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.hmdp.utils.RedisConstants;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * <p>
 * 服务实现类
 * </p>
 *
 * @author 虎哥
 * @since 2021-12-22
 */
@Service
public class ShopTypeServiceImpl extends ServiceImpl<ShopTypeMapper, ShopType> implements IShopTypeService {

    @Resource
    private StringRedisTemplate stringRedisTemplate;

    @Override
    public List<ShopType> queryWithCache() {
//        String shopTypeKey = RedisConstants.CACHE_SHOP_TYPE_KEY;
//        String shopTypeJson = stringRedisTemplate.opsForList().leftPop(shopTypeKey, RedisConstants.CACHE_SHOP_TTL, TimeUnit.MINUTES);
//        if (StrUtil.isNotBlank(shopTypeJson)) {
//            return JSONArray.parseArray(shopTypeJson, ShopType.class);
//        }
        List<ShopType> shopTypeList = this.query().orderByAsc("sort").list();
        if (shopTypeList.isEmpty()) {
            throw new RuntimeException("首页无数据");
        }
//        stringRedisTemplate.opsForList().leftPush(shopTypeKey, JSONUtil.toJsonStr(shopTypeList));
        return shopTypeList;
    }
}
